CN202946245U - Centrifugal micro gas turbine arrayed in cross - Google Patents
Centrifugal micro gas turbine arrayed in cross Download PDFInfo
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- CN202946245U CN202946245U CN2012206102039U CN201220610203U CN202946245U CN 202946245 U CN202946245 U CN 202946245U CN 2012206102039 U CN2012206102039 U CN 2012206102039U CN 201220610203 U CN201220610203 U CN 201220610203U CN 202946245 U CN202946245 U CN 202946245U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
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Abstract
本实用新型提供十字型排列的离心式微小型燃气轮机，由转动轴、离心式涡轮、透平室、燃烧室、轴承Ⅰ、离心压气机、高速永磁电机、轴承Ⅱ、板式回热器、板式换热器和变频系统组成。沿转动轴依次向后排列透平室、离心压气机和高速永磁电机；透平室内装离心式涡轮，固定在转动轴上；透平室前部依次设置板式回热器和板式换热器，沿透平室圆周切线方向均匀布置燃烧室；离心压气机出口与板式回热器入口通过管道相连，燃烧室入口和板式回热器出口通过管道相连，燃烧室出口正对离心式涡轮；高速永磁电机连接变频系统，结构简单、成本低，制造和装配容易，维修和更换费用较低，便于移动。
The utility model provides a cross-shaped centrifugal micro-miniature gas turbine, which consists of a rotating shaft, a centrifugal turbine, a turbine chamber, a combustion chamber, a bearing I, a centrifugal compressor, a high-speed permanent magnet motor, a bearing II, a plate regenerator, and a plate exchanger. Heater and frequency conversion system. The turbine chamber, centrifugal compressor and high-speed permanent magnet motor are arranged in sequence backward along the rotating shaft; the centrifugal turbine is installed in the turbine chamber and fixed on the rotating shaft; the plate regenerator and plate heat exchanger are arranged in sequence at the front of the turbine chamber , the combustion chamber is evenly arranged along the tangential direction of the turbine chamber circumference; the outlet of the centrifugal compressor is connected to the inlet of the plate regenerator through pipes, the inlet of the combustion chamber is connected to the outlet of the plate regenerator through pipes, and the outlet of the combustion chamber is facing the centrifugal turbine; The permanent magnet motor is connected to the frequency conversion system, which has a simple structure, low cost, easy manufacture and assembly, low maintenance and replacement costs, and is easy to move.
Description
1. technical field
The utility model relates to the gas turbine technology field, especially, relates to the microminiature gas turbine structure.
2. background technique
Miniature gas turbine is the low profile thermal force engine that a class newly-developed gets up, and its single-machine capacity scope is 25～300kW, and basic technical features is to adopt radial flow impeller machinery (inward flow turbine and centrifugal-flow compressor) and backheat circulation.It is believed that, the miniature gas turbine generation technology might start the technological innovation upsurge of " power supply is small-sized decentralized ", thereby becomes the main flow of 21 century energy technology.
Advanced miniature gas turbine has a series of advanced technology features such as many integrated dilatations, many fuel, low fuel consumption rate, low noise, low emission, low vibration, low maintenance rate, remote-controlled and diagnosis, except distributed power generation, also can be used for stand-by station, cogeneration of heat and power, generate electricity by way of merging two or more grid systems, peak load generating etc., be to provide the best mode of cleaning, reliable, high quality, multipurpose, small distributed generating and cogeneration, no matter to the central city or the rural area, outer suburbs even all can be suitable in the outlying district.In addition, miniature gas turbine receives the concern of the military powers such as the United States, Russia all having advantage aspect civilian traffic transportation (hybrid vehicle) and military vehicle and land sea frontier defense, therefore, sees that from national security the development miniature gas turbine is also very important.
The project organization of most gas turbine is the direct differentiation by aircraft jet engine, turbine pit, firing chamber, centrifugal compressor, generator etc. become axial horizontal arrangement, the temperature tolerance of central shaft and the perpendicularity of processing and use are required harshness, the complex appts that need to be formed by the control electronics at rotating part, bearing, Sealing, lubricating oil system and tip.Due to complexity technically, make most of users all must rely on OEM Original Equipment Manufacture producer to complete maintenance, overhaul and carry out advanced maintaining.Because also needing to become swirling eddy through fixing turbine wheel guiding, the high temperature and high speed combustion gas of the firing chamber of arranged in co-axial alignment drives the acting of turbine turbine, require the expenditure of energy, the gas turbine that is used in addition generating is set up at space cloth and requires compactness unlike aircraft jet engine, therefore according to fluid characteristics, develop efficient, simple in structure, cost is low, make and assembling easily, maintenance and renewal cost is lower, to be convenient to mobile gas turbine structure, especially microminiature gas turbine structure be present gas turbine structure design one of the difficult problem that needs to be resolved hurrily.
3. summary of the invention
The purpose of this utility model is exactly that a kind of centrifugal microminiature gas turbine of cross arrangement is provided for the deficiency that overcomes existing miniature gas turbine structure technology existence, need not to flow to and transform, directly utilize high-speed fuel gas kinetic energy, efficient is high, simple in structure, cost is low, make and assemble easily, maintenance and renewal cost are lower, are convenient to mobile gas turbine structure.
The technical solution of the utility model:
The utility model provides the centrifugal microminiature gas turbine of cross arrangement, is comprised of rotatingshaft, centrifugal turbine, turbine pit, firing chamber, bearing I, centrifugal compressor, high-speed permanent magnet motor, bearing II, plate regenerator, plate type heat exchanger and frequency conversion system.Arrange backward successively turbine pit, centrifugal compressor and high-speed permanent magnet motor along rotatingshaft; The in-built centrifugal turbine in turbine pit is fixed on rotatingshaft, and the turbine pit adopts the bearing I to locate; The front portion, turbine pit sets gradually plate regenerator and plate type heat exchanger, is evenly arranged the firing chamber along turbine pit's tangent to periphery direction; The centrifugal compressor outlet is connected by pipeline with the plate regenerator entrance, and outlet is connected by pipeline entry of combustion chamber with plate regenerator, and combustor exit is over against centrifugal turbine; The rotatingshaft in centrifugal compressor and high-speed permanent magnet motor neutral position hangs and the location by the bearing II, high-speed permanent magnet motor connects frequency conversion system, and Btu utilization is reasonable, simple in structure, cost is low, makes and assembles easily, maintenance and renewal cost are lower, are convenient to mobile.
The centrifugal microminiature turbine turns axle of cross arrangement is vertical or horizontal arrangement.
Centrifugal turbine and centrifugal compressor are single-stage or multistage.
The firing chamber is evenly arranged along turbine pit's tangent to periphery direction, and is vertical with turbine pit's axial direction, and number is even number.
Bearing I and bearing II are a kind of in sliding bearing, rolling bearing, pneumatic bearing and magnetic suspension bearing.
Plate regenerator and plate type heat exchanger are a kind of in spiral plate heat exchanger, plate-type exchanger and plate-fin heat exchanger.
4. description of drawings
Fig. 1 is the centrifugal microminiature gas turbine schematic diagram of cross arrangement of the present utility model.
The drawing of accompanying drawing is described as follows: 1. rotatingshaft, 2. centrifugal turbine, 3. turbine pit, 4. firing chamber, 5. centrifugal compressor, 6. high-speed permanent magnet motor, 7. bearing II, 8. plate regenerator, 9. plate type heat exchanger, 10. frequency conversion system, 11, bearing I
5. embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail: shown in Figure 1, the centrifugal microminiature gas turbine of cross arrangement of the present invention is comprised of rotatingshaft (1), centrifugal turbine (2), turbine pit (3), firing chamber (4), centrifugal compressor (5), high-speed permanent magnet motor (6), bearing (7), plate regenerator (8), plate type heat exchanger (9) and frequency conversion system (10).Arrange backward successively turbine pit (3), centrifugal compressor (5) and high-speed permanent magnet motor (6) along rotatingshaft (1); The in-built centrifugal turbine in turbine pit (3) (2) is fixed on rotatingshaft (1), and turbine pit (3) adopt bearing I (11) to locate; Front portion, turbine pit (3) sets gradually plate regenerator (8) and plate type heat exchanger (9), and (3) tangent to periphery direction is evenly arranged firing chamber (4) along the turbine pit; Centrifugal compressor (5) outlet is connected by pipeline with plate regenerator (8) entrance, and outlet is connected by pipeline firing chamber (4) entrance with plate regenerator (8), and firing chamber (4) export over against centrifugal turbine (2); The rotatingshaft (1) in centrifugal compressor (5) and high-speed permanent magnet motor (6) neutral position hangs and the location by bearing (7), high-speed permanent magnet motor (6) connects frequency conversion system (10), Btu utilization is reasonable, simple in structure, cost is low, make and assemble easily, maintenance and renewal cost are lower, are convenient to mobile.
The centrifugal microminiature turbine turns axle (1) of cross arrangement is vertical or horizontal arrangement.
Centrifugal turbine (2) and centrifugal compressor (5) are single-stage or multistage.
(3) tangent to periphery direction is evenly arranged along the turbine pit in firing chamber (4), and vertical with turbine pit (3) axial direction, number is even number.
Bearing I (11) and bearing II (7) are a kind of in sliding bearing, rolling bearing, pneumatic bearing and magnetic suspension bearing.
Plate regenerator (8) and plate type heat exchanger (9) are a kind of in spiral plate heat exchanger, plate-type exchanger and plate-fin heat exchanger.
When the centrifugal microminiature gas turbine of cross arrangement is worked, the high-pressure air mixed combustion that the fuel of firing chamber and centrifugal-flow compressor come, the high temperature and high speed combustion gas that produces sprays into the turbine pit along turbine pit's circumference class tangent direction, directly promote centrifugal turbine and drive the rotatingshaft High Rotation Speed, the centrifugal compressor of coaxial high speed rotation provides high-pressure air for when burning, and the high frequency current that high-speed permanent magnet motor produces is outer defeated through the electric current that frequency conversion system is converted into 50HZ or 60HZ; The high-temperature fuel gas that flows out from the center, turbine pit first with high-pressure air heat exchange recovered energy plate regenerator, and then in plate type heat exchanger recovered energy, realize electric heating or cold alliance, improve fuel utilization efficient; The firing chamber that even number distributes has guaranteed centrifugal turbine stress balance, also opens the easy adjusting generated energy of number for gas turbine during by burning means are provided; The rotatingshaft vertical has been saved the space, has reduced the temperature tolerance of central shaft and the perpendicularity of processing and use and has required severity; Magnetic suspension bearing has reduced the startup frictional force, has realized the accurate location of rotatingshaft and has fixed, and is convenient to the quick startup of gas turbine.The employing of these measures makes that the centrifugal microminiature gas turbine heat utilization of cross arrangement is reasonable, generating efficiency is high, simple in structure, cost is low, make and assemble easily, maintenance and renewal cost are lower, are convenient to move, and are more suitable for using in distributed intelligence electrical network thermoelectric cold multiple-supplying.
Claims (6)
1. the centrifugal microminiature gas turbine of cross arrangement, formed by rotatingshaft, centrifugal turbine, turbine pit, firing chamber, bearing I, centrifugal compressor, high-speed permanent magnet motor, bearing II, plate regenerator, plate type heat exchanger and frequency conversion system, it is characterized in that arranging backward successively turbine pit, centrifugal compressor and high-speed permanent magnet motor along rotatingshaft; The in-built centrifugal turbine in turbine pit is fixed on rotatingshaft, and the turbine pit adopts the bearing I to locate; The front portion, turbine pit sets gradually plate regenerator and plate type heat exchanger, is evenly arranged the firing chamber along turbine pit's tangent to periphery direction; The centrifugal compressor outlet is connected by pipeline with the plate regenerator entrance, and outlet is connected by pipeline entry of combustion chamber with plate regenerator, and combustor exit is over against centrifugal turbine; The rotatingshaft in centrifugal compressor and high-speed permanent magnet motor neutral position hangs and the location by the bearing II, and high-speed permanent magnet motor connects frequency conversion system.
2. the centrifugal microminiature gas turbine of cross arrangement according to claim 1, is characterized in that the centrifugal microminiature turbine turns axle of said cross arrangement is vertical or horizontal arrangement.
3. the centrifugal microminiature gas turbine of cross arrangement according to claim 1, is characterized in that said centrifugal turbine and centrifugal compressor are single-stage or multistage.
4. the centrifugal microminiature gas turbine of cross arrangement according to claim 1, is characterized in that said firing chamber is evenly arranged along turbine pit's tangent to periphery direction, and vertical with turbine pit's axial direction, number is even number.
5. the centrifugal microminiature gas turbine of cross arrangement according to claim 1 is characterized in that said bearing I and bearing II are a kind of in sliding bearing, rolling bearing, pneumatic bearing and magnetic suspension bearing.
6. the centrifugal microminiature gas turbine of cross arrangement according to claim 1 is characterized in that said plate regenerator and plate type heat exchanger are a kind of in spiral plate heat exchanger, plate-type exchanger and plate-fin heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206102039U CN202946245U (en) | 2012-11-16 | 2012-11-16 | Centrifugal micro gas turbine arrayed in cross |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206102039U CN202946245U (en) | 2012-11-16 | 2012-11-16 | Centrifugal micro gas turbine arrayed in cross |
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| Publication Number | Publication Date |
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| CN202946245U true CN202946245U (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012206102039U Expired - Fee Related CN202946245U (en) | 2012-11-16 | 2012-11-16 | Centrifugal micro gas turbine arrayed in cross |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937049A (en) * | 2012-11-16 | 2013-02-20 | 中国石油大学(华东) | Cross arranged centrifugal micro-type gas turbine |
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2012
- 2012-11-16 CN CN2012206102039U patent/CN202946245U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937049A (en) * | 2012-11-16 | 2013-02-20 | 中国石油大学(华东) | Cross arranged centrifugal micro-type gas turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20131116 |